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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: J Neurochem. 2014 Jun 23;130(4):583–590. doi: 10.1111/jnc.12764

Figure 2. Cocaine administration increased motoric activity and produced locomotor sensitization.

Figure 2

Cumulative activity counts for 60 minutes post-cocaine (20 mg/kg ip) and saline injection are shown. Rats administered cocaine had greater activity than rats administered saline on both day one and day seven (# significantly different from saline on the same day, P<0.05). On the seventh day of administration, rats injected with cocaine showed a greater increase in activity than on the first day of cocaine administration (*significantly different between day one and seven within cocaine administered rats, P < 0.05). Data are expressed as mean ± SEM beam breaks/60 minute period. (N=9–10/group)